unified: Don't assert if work is pending on submit

This makes k_work_submit to allow resubmits when the work is pending so
the user code don't have to check the pending flag to avoid a possible
assert.

Change-Id: Ic39f3dc5936837ce84ad028cf3d426d0558c2925
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed